A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2022; you can also visit the original URL.
The file type is application/pdf.
TAKERU SUGITA. "An Application of Mastery Leaning to High School Calculus. (Part 1)." Japan Journal of Mathematics Education and Related Fields 24.3-4 (1983) 50-64